@article{ukkonen1995,
	author = "Ukkonen, E.",
	year = "1995",
	title = "On-line construction of suffix trees",
	journal = "Algorithmica",
	volume = "14(3)",
	pages = "249 -- 260",
}

@article{lecture,
	author = "Kay, M.",
	title = "Basic Algorithms of Computational Linguistics",
	pages = "http://www.coli.uni-saarland.de/courses/algorithms-11/",
	volume = "Lecture slides",
	journal = "Saarland University, Summer Term 2011",
}